PlainRecalls
NHTSA Moderate Active

BUICK,CADILLAC,CHEVROLET,GMC 2021: AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT

Reported: June 10, 2021 Initiated: June 10, 2021 #21V421000

Product Description

General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), causing the air bag malfunction indicator light to inconsistently illuminate.

Reason for Recall

General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), causing the air bag malfunction indicator light to inconsistently illuminate.

Hazard

The air bag malfunction indicator light may fail to warn the driver of a problem with the air bag, increasing the risk of injury.

Remedy

The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N212338110.

Details

Distribution
United States
Official Source
https://www.nhtsa.gov/recalls?nhtsaId=21V421000

Frequently Asked Questions

What product was recalled? ▼
General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), causing the air bag malfunction indicator light to inconsistently illuminate.. Recalled by BUICK,CADILLAC,CHEVROLET,GMC.
Why was this product recalled? ▼
General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), causing the air bag malfunction indicator light to inconsistently illuminate.
What should consumers do? ▼
The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N212338110.
Which agency issued this recall? ▼
This recall was issued by the NHTSA on June 10, 2021. Severity: Moderate. Recall number: 21V421000.

Related Recalls

NHTSA Critical

LEXUS 2025: POWER TRAIN:AUTOMATIC TRANSMISSION

LEXUS · 2026-02-18
NHTSA Critical

CADILLAC,CHEVROLET,GMC 2022: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE

CADILLAC,CHEVROLET,GMC · 2026-02-13
NHTSA Critical

CHEVROLET,GMC 2020-2022: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE

CHEVROLET,GMC · 2026-02-12
NHTSA Critical

CADILLAC 2024: BACK OVER PREVENTION:SOFTWARE

CADILLAC · 2026-02-12
NHTSA Critical

NISSAN 2024-2025: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:THROTTLEBODY/MANIFOLD

NISSAN · 2026-02-12

Explore Related Data

Vehicle Safety → Drug Information →